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ATSAM4S-XPLD
1026
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
• SLEEP: Sleep Mode
0 = Normal Mode: The DAC Core and reference voltage circuitry are kept ON between conversions.
After reset, the DAC is in normal mode but with the voltage reference and the DAC core off. For the first conversion, a startup time
must be defined in the STARTUP field. Note that in this mode, STARTUP time is only required once, at start up.
must be defined in the STARTUP field. Note that in this mode, STARTUP time is only required once, at start up.
1 = Sleep Mode: The DAC Core and reference voltage circuitry are OFF between conversions.
• FASTWKUP: Fast Wake up Mode
0 = Normal Sleep Mode: The sleep mode is defined by the SLEEP bit.
1 = Fast Wake Up Sleep Mode: The voltage reference is ON between conversions and DAC Core is OFF.
• REFRESH: Refresh Period
Refresh Period = 1024*REFRESH/DACC Clock
• USER_SEL: User Channel Selection
• TAG: Tag Selection Mode
• MAXS: Max Speed Mode
SLEEP
Selected Mode
0
Normal Mode
1
Sleep Mode
FASTWKUP
Selected Mode
0
Normal Sleep Mode
1
Fast Wake up Sleep Mode
Value
Name
Description
0
CHANNEL0
Channel 0
1
CHANNEL1
Channel 1
Value
Name
Description
0
DIS
Tag selection mode disabled. Using USER_SEL to select
the channel for the conversion.
the channel for the conversion.
1
EN
Tag selection mode enabled
Value
Name
Description
0
NORMAL
Normal Mode
1
MAXIMUM
Max Speed Mode enabled